Aiphone MYW-BA - Manual (Page 2)

INSTRUCTIONS ON INSTALLATION & WIRING
MYW-BA is a video wiring adaptor for indoor use only.
Its mounting location must be in the same category as described in the Manuals of using video monitor.
On a specified pair wires, audio & video communication is stable and unaffected, and pan-and-tilting
operation of door camera is flexibly smooth at max. 300m (980’) distant entry.The MYW-BA performance
depends on the cable and distance to PanTilt door station and also to inside monitor (s).
The below specifications must be met for using wires on
MYW-BA adaptor;
* Impedance : 90 ohm
* Permitted closed loop DC resistance :
9.9 ohm or less
* Insulation must not be PVC, but PE
In USA, cable type West Penn D990 or equivalent * ★
Insulation with PE(Polyethylene)
Never with PVC(Polyvinyl chloride)
Sheath
Bare copper conductor pE or PVC
1.2mm for 300m
★ Installation of non-specified cable and / or within 100m (330’) or over 300m (980’) distance,
may cause inferior imaging or incomplete call.
★ While making wire terminations, front case may be set aside, plugging off connector. Refrain
from doing so, when the system power supply is turned on.
★ Wiring on MYW-BA must be strictly in accordance with diagrams on page 3, 4 & 5. Incorrect
connection of PS-18D (18C) power supply causes damage to the unit.
System possibilities
According to system size & station capacity required, select a best suited from the followings;
MY-1CD
Basic one-entry PanTilt system can be an important entry check
system.
MY-DC/A
-il
MYW-BA
MY-CU with TD-(6,12,24)H/B
One PanTilt door,one monitor
(or two), and multiple TD-H
phone stations MY-DC/A
MYW-BA
2
MY-2CD
MY-2CD monitor station control entry at 2 PanTilt door stations.
---- liiJM-
AUDIO
X
ij^ I '¿M I n)u
N/-
TD-6H/B
MYH-CU with LEF-5,10,10S
One PanTilt door, one monitor
(or two), and multiple LEF open
voice stations
MYW-P1L MYH-CU